Overall Red Earthquake alert in China on 18 Dec 2023 15:59 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

M 5.9 in China on 18 Dec 2023 15:59 UTC

Hazard models

Rapid Impact

Shakemap

Tsunami

Event summary

This earthquake is expected to have a high humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude:	5.9M
Depth:	10 Km
Lat/Lon:	35.7432 , 102.8272
Event Date:	18 Dec 2023 15:59 UTC 18 Dec 2023 23:59 Local
Exposed Population:	100 thousand (in MMI>=VII)
Source:	NEIC us7000ljvg
Inserted at:	18 Dec 2023 16:41 UTC
INFORM Coping capacity of the alert score:	3.6 (China)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	2.1		2.1
us7000ljvg	Scaled population (raster)	4.12
	C1 shakemap	-0.37
	C2 shakemap	0.76
	Country Vulnerability	0
	INFORM_normalised	0.82

Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1543047		2.2	18 Dec 2023 15:59	6M, 10km	7.62	160 thousand (in MMI>=VII)		00:19	NEIC
1543048		2.1	18 Dec 2023 15:59	5.9M, 10km	7.42	100 thousand (in MMI>=VII)		00:42	NEIC

The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.

The episode that has the last updated information.

* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in China ,of Qinghai (population 4,938,862) . The alertlevel for this event is RED

Intensity	Population
	<1000 people
	160000 people
	260000 people
	910000 people

Shakemaps Timeline

Shake id #	Score	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	2.2	1543047	102.836/35.734	6	10	7.618	18 Dec 2023 16:22	00:22	(new episode)
2	2.1	1543048	102.827/35.743	5.9	10	7.522	18 Dec 2023 16:56	00:56	(new episode)
3	2.1	1543048	102.827/35.743	5.9	10	7.523	18 Dec 2023 17:15	01:15	(upd of #2)
4	2.1	1543048	102.827/35.743	5.9	10	7.523	18 Dec 2023 18:05	02:05	(upd of #3)
5	2.1	1543048	102.827/35.743	5.9	10	7.523	18 Dec 2023 21:24	05:24	(upd of #4)
6	2.1	1543048	102.827/35.743	5.9	10	7.523	19 Dec 2023 16:42	1d 00:42	(upd of #5)
7	2.1	1543048	102.827/35.743	5.9	10	7.421	28 Dec 2023 01:01	9d 09:01	(upd of #6)
8	2.1	1543048	102.805/35.739	5.9	10	7.421	04 Jan 2024 00:54	16d 08:55	(upd of #7)

Affected Provinces

Region Province	Country	Population
Qinghai	China	no people
Gansu	China	100000 people
Qinghai	China	44000 people
Gansu	China	140000 people
Qinghai	China	87000 people
Gansu	China	720000 people
Qinghai	China	230000 people
Gansu	China	3.1 million people
Qinghai	China	720000 people
Sichuan	China	<1000 people
Nei Mongol	China	no people
Ningxia	China	no people

Affected populated places. Areas of interest

Name	Region Province	Country	City class	Population	Distance
Ching-shui-kung	Qinghai	China	Village	-	29 km
Linxia	Gansu	China	City	200000 people	37 km
Jishi	Qinghai	China	Village	-	39 km
Gando	Qinghai	China	City	-	48 km
Yongjing	Gansu	China	Village	-	49 km
Ganjia	Gansu	China	Village	-	52 km
Hezheng	Gansu	China	Village	-	57 km
Hualong	Qinghai	China	City	-	65 km
Minhe	Qinghai	China	Village	-	68 km
Hezheng	Gansu	China	Village	-	72 km
Hekou	Gansu	China	Village	-	73 km
Diaotan	Gansu	China	Village	-	74 km
La-ssu	Gansu	China	Village	-	75 km
Hezuo	Gansu	China	Village	-	84 km
Hung-ch'eng	Gansu	China	Village	-	86 km
Hsin-tien	Gansu	China	Village	-	88 km
Lanzhou	Gansu	China	Major city	1.5 million people	91 km
Ledu	Qinghai	China	City	-	92 km
Lintao	Gansu	China	Village	-	100 km
Hsin-chieh	Qinghai	China	Village	-	132 km
Nyinba	Gansu	China	Village	-	145 km
Chankou	Gansu	China	Village	-	151 km
Gejiacha	Gansu	China	Village	-	167 km
Huangyuan	Qinghai	China	City	-	176 km
Gogen	Gansu	China	Village	-	193 km
Chiang-chia-ta-lu	Gansu	China	Village	-	196 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Intensity	Name	IATA Code	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
			1676				0	100 km
	Ljntao		1905				0	101 km

Dams

Dam Name	River	Year	Distance
Jishixia	Yellow	2011	16 km
Yanguoxia	Huang He	1970	53 km
Liujiaxia	Huang He	1968	51 km
Gongboxia	Huang He	2000	57 km
Bapanxia	Huang He	1975	68 km

Nuclear Facilities

Site	Type	Name	Country	Distance
Site-Lanzhou Nuclear Fuel Complex	Nuclear Fuel Cycle	Lanzhou Nuclear Fuel Complex(LNFC), Gansu-Enrichment	China	93 km
Site-Lanzhou Nuclear Fuel Complex	Nuclear Fuel Cycle	Lanzhou Nuclear Fuel Complex(LNFC,Gansu)	China	93 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.

Disclaimer
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